int fs=13;
int buzzer=12;
int led=11;
void setup() {
  pinMode(fs,INPUT);
  pinMode(buzzer,OUTPUT);
  pinMode(led,OUTPUT);
  Serial.begin(9600);

}

void loop() {
  int n=digitalRead(fs);
  Serial.println(n);
  delay(500);
  if(n==0){
    digitalWrite(buzzer,1);
    digitalWrite(led,1);
    Serial.println("FIRE IS DETECTED");
  }
  else{
    digitalWrite(buzzer,0);
    digitalWrite(led,0);
    Serial.println("FIRE IS NOT DETECTED");
  }

}